Alert archive / Michigan / Tornado Warnings in 2014

Tornado Warning 5, NWS Gaylord, MI

August 30, 2014Oscoda County, Michigan

NWS Gaylord, MI issued this tornado warning at Aug 30, 2014, 3:19 PM EDT for Oscoda County, Michigan. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 30, 2014, 3:19 PM EDT (19:19 UTC)
Expired
Aug 30, 2014, 4:00 PM EDT
In force
41 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Oscoda County, MI

The radar

The NCL Michigan radar (KAPX), 50 km from the middle of the area, began a volume at 19:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 7.3 hours before the alert went out and 148 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Alpena, MI at 12:00Z on 2014-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 368 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2014-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
368 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

040 
WFUS53 KAPX 301919
TORAPX
MIC135-302000-
/O.NEW.KAPX.TO.W.0005.140830T1919Z-140830T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
319 PM EDT SAT AUG 30 2014

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  OSCODA COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 400 PM EDT

* AT 316 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR LUZERNE...AND MOVING NORTHEAST AT 35 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  MIO...LUZERNE...RED OAK...FAIRVIEW AND COMINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4451 8437 4454 8437 4469 8437 4486 8401
      4486 8389 4467 8389
TIME...MOT...LOC 1919Z 243DEG 29KT 4461 8430

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JZ
2 follow-up statements
607 
WWUS53 KAPX 301931
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
331 PM EDT SAT AUG 30 2014

MIC135-302000-
/O.CON.KAPX.TO.W.0005.000000T0000Z-140830T2000Z/
OSCODA MI-
331 PM EDT SAT AUG 30 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR OSCODA COUNTY UNTIL 400 PM
EDT...

AT 330 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED 4 MILES NORTHEAST OF LUZERNE...AND MOVING NORTHEAST AT 
30 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
MIO...FAIRVIEW AND COMINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4458 8426 4462 8433 4471 8432 4486 8401
      4486 8389 4467 8389
TIME...MOT...LOC 1931Z 240DEG 20KT 4464 8423

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JZ
819 
WWUS53 KAPX 301948
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
348 PM EDT SAT AUG 30 2014

MIC135-302000-
/O.CON.KAPX.TO.W.0005.000000T0000Z-140830T2000Z/
OSCODA MI-
348 PM EDT SAT AUG 30 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN OSCODA COUNTY
UNTIL 400 PM EDT...

AT 345 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED 4 MILES NORTH OF MIO...AND MOVING NORTHEAST AT 30 MPH.

HAZARD...TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
FAIRVIEW AND COMINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4463 8415 4465 8423 4475 8423 4486 8400
      4486 8389 4468 8389
TIME...MOT...LOC 1948Z 236DEG 25KT 4471 8409

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

JZ

The office that day

Everything else NWS Gaylord, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 30, 3:09 PM EDTSevere Thunderstorm WarningAPXCrawford, Oscoda51 min
Aug 30, 3:56 PM EDTTornado WarningAPXAlcona, Alpena, Oscoda49 min
Aug 30, 4:39 PM EDTSpecial Marine WarningAPX96 min
Aug 30, 4:43 PM EDTTornado WarningAPXAlcona, Alpena30 min
Aug 30, 5:06 PM EDTSpecial Marine WarningAPX84 min

Nearby

Tornado Warnings in Michigan, 2014Every tornado warning in 2014Tornadoes in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.